Communication switching system common control arrangement



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IN VENTORS Jan. 17, 1967 K. E. PRESCHER ET AL 3,299,214

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COMMUNICATION SWITCHING SYSTEM COMMON CONTROL ARRANGEMENT 2O Sheets-Sheet 8 Original Filed March 27, 1963 CADQFGHZDOU 02E .223

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COMMUNICATION SWITCHING SYSTEM COMMON CONTR OL ARRANGEMENT Original Filed March 27, 1963 "O Sheets-Sheet 10 Jan. 17, 1967 K. E. PRESCHER ET AL 3,299,214

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COMMUNICATION SWITCHING SYSTEM COMMON CONTROL ARRANGEMENT 2O Sheets-Sheet 15 Original Filed March 27, 1965 Jan. 17, 1967 K. E. PRESCHER ET 3,299,214

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COMMUNICATION SWITCHING SYSTEM COMMON CONTROL ARRANGEMENT Original Filed March 27, 1965 20 ets-Sheet 15 FROM READ

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Jan. 17, 1967 K. E. PRESCHER ET AL 3,299,214

COMMUNICATION SWITCHING SYSTEM COMMON CONTROL ARRANGEMENT Original Filed March 27, 1963 20 Sheets-Sheet 1."

Jan. 17, 1967 K. E. PRESCHER ETAL COMMUNICATION SWITCHING SYSTEM COMMON CONTROL ARRANGEMENT 2O Sheets-$heet 18 Original Filed March 27, 1963 

1. IN A COMMUNICATION SWITCHING SYSTEM HAVING A PLURALITY OF REGISTER JUNCTORS FOR CONNECTION TO CALLING LINES TO RECEIVE CALL SIGNALS; REGISTER APPARATUS COMPRISING A MEMORY AND LOGIC CIRCUITS SHARED ON A TIME DIVISION MULTIPLEX BASIS, SAID MEMORY HAVING A COORDINATE ARRAY OF STORAGE ELEMENTS IN ROWS AND COLUMNS, A PLURALITY OF REGISTERS INDIVIDUALLY ASSOCIATED WITH SAID REGISTER JUNCTORS, EACH REGISTER COMPRISING A GIVEN NUMBER OF SAID ROWS INCLUDING A CONTROL ROW AND AT LEAST ONE DATA ROW, A SOURCE OF RECURRING PULSES SUPPLIED TO THE MEMORY, A MULTIPLEX ARRANGEMENT ASSOCIATING EACH REGISTER WITH AN INDIVIDUAL PULSE TIME SLOT DURING WHICH THE STORED INFORMATION IS RECIRCULATED AND MAY BE SELECTIVELY MODIFIED BY MEANS OF THE LOGIC CIRCUITS, CALL SIGNAL INFORMATION BEING RECEIVED BY THE LOGIC CIRCUITS FROM THE REGISTER JUNCTORS DURING THE ASSOCIATED TIME SLOTS FOR STORAGE IN THE MEMORY; EACH DATA ROW OF EACH REGISTER BEING INDIVIDUALLY ASSOCIATED WITH A SUB-TIME SLOT, AND SAID CONTROL ROW OF EACH REGISTER BEING ASSOCIATED WITH ONE SUB-TIME PRECEEDING AND ONE SUB-TIME SLOT FOLLOWING THE SUB-TIME SLOTS OF THE DATA ROWS WITHIN THE TIME SLOT OF THE REGISTER; CARRY STORAGE MEANS IN SAID LOGIC CIRCUITS TO RECEIVE INFORMATION DURING PARTICULAR SUB-TIME SLOTS TO CONTROL REWRITE OF ROWS HAVING SUBSEQUENT SUB-TIME SLOTS, INCLUDING REWRITE OF THE CONTROL ROW DURING ITS SECOND SUB-TIME SLOT. 